Scaling law of engineering parameters for nickel nanowires

Öz

The nickel nanowires which have been the focus of researchers' attention for their physical properties in recent years are the main subject of this study. The mechanical properties of the single crystal nickel nanowires have been investigated with the help of molecular dynamics simulations and scaling law has been developed for engineering parameters (elasticity modulus, yield stress and maximum stress) by using earlier published experimental studies. In addition, the evolution of crystal structure during the deformation of nickel nanowires was examined by common neighbor analysis. The most important goal of this study is to develop a scaling law for multi-scale modeling of the nickel nanowires.

Anahtar Kelimeler

• Nickel nanowires
• Molecular dynamics
• Multiscale modelling

NİKEL NANOTELLER İÇİN MÜHENDİSLİK PARAMETRELERİ ÖLÇEKLENDİRME KURALI

Öz

Bu çalışmanın ana konusunu, son yıllarda fiziksel özellikleriyle araştırmacıların ilgi odağında olan nikel nanoteller oluşturmaktadır. Tek kristalli nikel nanotellerin mekanik özellikleri moleküler dinamik simülasyonları vasıtasıyla incelenmiş ve literatürdeki deneysel çalışmalardan da faydalanılarak mühendislik parametreleri (elastisite modülü, akma gerilmesi ve maksimum gerilme) için ölçeklendirme kuralı geliştirilmiştir. Ayrıca nikel naotellerin deformasyon esnasındaki kristal yapısının değişimi ortak komşu analizi ile ortaya konmuştur. Bu çalışmanın en önemli hedefi; nikel nanoteller özelinde çok ölçekli modelleme için literatüre ölçeklendirme kuralı kazandırmaktır.

Anahtar Kelimeler

• Nikel nanoteller
• Moleküler dinamik
• Çok ölçekli modelleme

Kaynakça

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